Home / 10,176.24-15,264.48-2,781.48

Finding the Fourth Proportional to 10,176.24, 15,264.48 and 2,781.48

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Solution

The fourth proportional to 10,176.24, 15,264.48 and 2,781.48 is: 4,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.24 : 15,264.48 = 2,781.48 : x
  2. Step 2: Convert to fraction form
    10,176.24/15,264.48 = 2,781.48/x
  3. Step 3: Cross multiply
    10,176.24x = 15,264.48 × 2,781.48
  4. Step 4: Simplify right side
    10,176.24x = 42,457,845.83
  5. Step 5: Solve for x
    x = 42,457,845.83/10,176.24
  6. Step 6: Final answer
    x = 4,172.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.